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Extraterrestrial Life324 articles archived since 1845

Five Billion Years of Solitude: Looking for Longevity [Excerpt]

In this excerpt from Five Billion Years of Solitude author Lee Billings chronicles the pioneering scientists who have led the hunt for extraterrestrial intelligence in their quest to answer the haunting question: Is humanity alone in the universe?

October 4, 2013 — Lee Billings

Kepler Exoplanet Hunter Limps Into Sunset

Although the Kepler space telescope's stabilization system is beyond repair, it has produced reams of data that have yet to be fully searched for exoplanets. John Matson reports.

August 21, 2013

Space Scope Spots 3 Possibly Habitable Planets

NASA's orbiting Kepler telescope recently spotted three exoplanets in or near their stars' so-called habitable zones, the temperate region where a planet could accommodate liquid water. John Matson reports

April 22, 2013

Mars-Life Hypothesis Gets a Fresh Look

At a recent scientific conference in Los Angeles, scientists explored the possibility of Mars being habitable, or even inhabited by microbes, in the present day

April 20, 2013
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Scientific American Health & Medicine

Scientific American Health & Medicine